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 * Licensed to the Apache Software Foundation (ASF) under one   *
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 * distributed with this work for additional information        *
 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
 * "License"); you may not use this file except in compliance   *
 * with the License.  You may obtain a copy of the License at   *
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 * software distributed under the License is distributed on an  *
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
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package org.apache.james;

import java.util.Optional;
import java.util.Set;

import org.apache.james.core.Username;

import com.github.fge.lambdas.Throwing;

public class AggregateUserEntityValidator implements UserEntityValidator {
    private final Set<UserEntityValidator> validatorSet;

    public AggregateUserEntityValidator(Set<UserEntityValidator> validatorSet) {
        this.validatorSet = validatorSet;
    }

    @Override
    public Optional<ValidationFailure> canCreate(Username username, Set<EntityType> ignoredTypes) throws Exception {
        return validatorSet.stream()
            .map(Throwing.<UserEntityValidator, Optional<ValidationFailure>>function(validator -> validator.canCreate(username, ignoredTypes)).sneakyThrow())
            .flatMap(Optional::stream)
            .findFirst();
    }
}
